Initial commit: KPI Management System Backend

Features:
- FastAPI backend with JWT authentication
- MySQL database with SQLAlchemy ORM
- KPI workflow: draft → pending → approved → evaluation → completed
- Ollama LLM API integration for AI features
- Gitea API integration for version control
- Complete API endpoints for KPI, dashboard, notifications

Tables: KPI_D_* prefix naming convention

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/api/__init__.py

@@ -0,0 +1,18 @@
+"""
+API Routers
+"""
+from app.api.auth import router as auth_router
+from app.api.kpi import router as kpi_router
+from app.api.dashboard import router as dashboard_router
+from app.api.notifications import router as notifications_router
+from app.api.llm import router as llm_router
+from app.api.gitea import router as gitea_router
+
+__all__ = [
+    "auth_router",
+    "kpi_router",
+    "dashboard_router",
+    "notifications_router",
+    "llm_router",
+    "gitea_router",
+]